1. R&D Center for Solid-State Lighting, Institute of Semiconductors, Chinese Academy of Sciences 1 , Beijing 100083, China
2. School of Physics and Electronic Information Engineering, Henan Polytechnic University 2 , Jiaozuo 454000, Henan Province, China
3. The State Key Laboratory on Integrated Optoelectronics, Institution of Semiconductors, Chinese Academy of Sciences 3 , Beijing 100083, China
4. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences 4 , Beijing 100049, China
5. School of Integrated Circuits and Electronics, MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, Beijing Institute of Technology 5 , Beijing 100081, China
6. Korea Institute of Ceramic Engineering and Technology 6 , 15-5, Chungmugong-dong, Jinju-si, Gyeongsongnam-do 52851, South Korea